get_book_content_quality_effect

get_book_content_quality_effect = {
	$SKILL_BASE$ = { save_scope_as = skill_base }
	save_scope_value_as = {
		name = book_content_quality
		value = {
			# Choices in events etc. will affect the quality of the artifact you get
			if = {
				limit = {
					exists = scope:skill_base.var:book_content_quality
				}
				add = {
					value = scope:skill_base.var:book_content_quality
					multiply = 10
				}
			}
			# Is it a lifestyle subject? Then it's good if the inspiration owner shares the lifestyle
			if = { # medicine
				limit = {
					has_artifact_feature = book_subject_medicine
				}
				if = {
					limit = {
						scope:skill_base = {
							has_trait = lifestyle_physician
						}
					}
					add = 30
				}
				if = {
					limit = {
						scope:skill_base = {
							has_trait = lifestyle_mystic
						}
					}
					add = 20
				}
				if = {
					limit = {
						scope:skill_base = {
							has_trait = lifestyle_herbalist
						}
					}
					add = 20
				}
				if = {
					limit = {
						scope:skill_base = {
							is_witch_trigger = yes
						}
					}
					add = 10
				}
			}
			if = { # reveler
				limit = {
					has_artifact_feature = book_subject_reveler
					scope:skill_base = {
						has_trait = lifestyle_reveler
					}
				}
				add = 30
			}
			if = { # blademaster
				limit = {
					has_artifact_feature = book_subject_blademaster
					scope:skill_base = {
						has_trait = lifestyle_blademaster
					}
				}
				add = 30
			}
			if = { # hunter
				limit = {
					has_artifact_feature = book_subject_hunter
					scope:skill_base = {
						has_trait = lifestyle_hunter
					}
				}
				add = 30
			}
			if = { # mystic
				limit = {
					has_artifact_feature = book_subject_mystic
					scope:skill_base = {
						has_trait = lifestyle_mystic
					}
				}
				add = 30
			}
			if = { # herbalist
				limit = {
					has_artifact_feature = book_subject_herbalist
					scope:skill_base = {
						has_trait = lifestyle_herbalist
					}
				}
				add = 30
			}
			if = { # cannibal
				limit = {
					has_artifact_feature = book_subject_cannibal
					scope:skill_base = {
						is_cannibal_trigger = yes
					}
				}
				add = 30
			}
			if = { # witch
				limit = {
					has_artifact_feature = book_subject_witch
					scope:skill_base = {
						is_witch_trigger = yes
					}
				}
				add = 30
			}
			if = { # deviant
				limit = {
					has_artifact_feature = book_subject_deviant
					scope:skill_base = {

As written in game/common/scripted_effects/01_ep1_court_artifact_creation_effects.txt.